package main
import (
	"fmt"
)
func main(){
	var n1 int = 10
	var n2 int = 40
	var n3 int = 50
	var max int
	if n1 > n2{
		max = n1
	}else{
		max = n2
	}
	if n3 > max {
		max = n3
	}
	fmt.Printf("max = %d",max)
}